21310110223010 has 16 divisors (see below), whose sum is σ = 43837941030336. Its totient is φ = 7306323505008.

The previous prime is 21310110222977. The next prime is 21310110223013. The reversal of 21310110223010 is 1032201101312.

It is a self number, because there is not a number n which added to its sum of digits gives 21310110223010.

It is not an unprimeable number, because it can be changed into a prime (21310110223013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152215072952 + ... + 152215073091.

It is an arithmetic number, because the mean of its divisors is an integer number (2739871314396).

Almost surely, 2^{21310110223010} is an apocalyptic number.

21310110223010 is an abundant number, since it is smaller than the sum of its proper divisors (22527830807326).

21310110223010 is a wasteful number, since it uses less digits than its factorization.

21310110223010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304430146057.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21310110223010 its reverse (1032201101312), we get a palindrome (22342311324322).

The spelling of 21310110223010 in words is "twenty-one trillion, three hundred ten billion, one hundred ten million, two hundred twenty-three thousand, ten".